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Message: [QUOTE="Powerstroked162, post: 261148, member: 120"] You boys put your thinking caps on here for a second and pick up what Im gonna put down for you ;) A 4r cannot be ran in an OBS truck or on an OBS PCM without internal parts swapping. A Pulse Width Modulated pump cannot function properly without..... A Pulse Width signal. Secondly, the solenoid pack must be changed out as well to its counter parts setup. It was explained to me exactly "why" at one point but its far to early in the morning to recall lol Now, if you desire to NOT swap internal parts over and keep the 4r's form.... then you will need to swap to a SD PCM for it to function properly, or some type of controller such as a PCS. The SD PCM, as mentioned above, requires the main engine harness to be re-pinned, which isn't exactly my idea of "fun". Sooooo.... If you want a 4r, my advice would be to spend the coin and grab a controller :D [/QUOTE]

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